Hey Zen it seemed the building fort double doors were allowing to attach but were not locking i just added this second class and it fixed it for my self just posting here for others to adjust if they want. Cheers

ZenComboLocks\scripts\4_world\entities\itembase\item_mods\BF_DoorBarricade.c

#ifdef BuildingFort_Mod_1A
modded class BF_DoorBarricade
{
// Return whether or not this fence can be opened
override bool CanOpenFence()
{
if (super.CanOpenFence())
return true;

#ifdef ZENMODPACK
if (!ZenModEnabled("ZenComboLocks"))
{
return true;
}
#endif

if (HasHinges() && !IsOpened() && IsLocked())
{
if (GetGame().IsClient())
{
return GetCombinationLock() && GetCombinationLock().IsPermittedToOpen();
}
}

return false;
}

override void CloseFence()
{
super.CloseFence();

#ifdef ZENMODPACK
if (!ZenModEnabled("ZenComboLocks"))
{
return;
}
#endif

#ifdef SERVER
// Lock combination lock if it is not locked onto the door (ie. door owner/guest has unlocked lock, but not taken it off)
if (GetCombinationLock() && !GetCombinationLock().IsLocked())
{
GetCombinationLock().LockServer(this, true);
}
#endif
}

// Set actions
override void SetActions()
{
super.SetActions();

AddAction(Zen_ActionNextCombinationLockDialOnFence);
AddAction(Zen_ActionRemoveComboLock);
AddAction(Zen_ActionOpenComboLockFence);
AddAction(Zen_ActionOpenComboLockInstantFence);
AddAction(Zen_ActionDialCombinationLockOnFence);
AddAction(Zen_ActionManageCombinationLockOnFence);
AddAction(Zen_ActionRemoveCombinationLockOnFence);
AddAction(Zen_ActionAdminCombinationLockOnFence);
}
}

modded class BF_DoubleDoorBarricade
{
// Return whether or not this fence can be opened
override bool CanOpenFence()
{
if (super.CanOpenFence())
return true;

if (HasHinges() && !IsOpened() && IsLocked())
{
if (GetGame().IsClient())
{
return GetCombinationLock() && GetCombinationLock().IsPermittedToOpen();
}
}

return false;
}

override void CloseFence()
{
super.CloseFence();

#ifdef SERVER
// Lock combination lock if it is not locked onto the door (ie. door owner/guest has unlocked lock, but not taken it off)
if (GetCombinationLock() && !GetCombinationLock().IsLocked())
{
GetCombinationLock().LockServer(this, true);
}
#endif
};

// Set actions
override void SetActions()
{
super.SetActions();
AddAction(Zen_ActionNextCombinationLockDialOnFence);
AddAction(Zen_ActionRemoveComboLock);
AddAction(Zen_ActionOpenComboLockFence);
AddAction(Zen_ActionOpenComboLockInstantFence);
AddAction(Zen_ActionDialCombinationLockOnFence);
AddAction(Zen_ActionManageCombinationLockOnFence);
AddAction(Zen_ActionRemoveCombinationLockOnFence);
AddAction(Zen_ActionAdminCombinationLockOnFence);
}
};
#endif